Antillocladius zempoalensis Mendes, Andersen & Saether, 2004, new species

Antillocladius zempoalensis new species (Fig. 16 A–F) Type material: Holotype male, MEXICO: Morelos province, Parque Nacional Lagunas de Zempoala, 23.ix.1998, about 3000 m a.s.l., sweep net, T. Andersen, A. Contreras­Ramos & R. Barba­Alvarez (ZMBN Type no. 400, slide mounted in Canada balsam). Diagnostic characters: The male imago can be separated from other members of the genus by having bare wing membrane, veins and squama; costa strongly extended; acrostichals starting in front, anterior one hair­like, posterior ones scalpellate; no virga; anal point moderately long, triangular with pointed apex and strong lateral setae; and inferior volsella well developed, set off and rounded. Etymology: Named after Parque Nacional Lagunas de Zempoala in central Mexico, where the species was taken. Male (n = 1). Total length 2.68 mm. Wing length 1.79 mm. Total length / wing length 1.50. Wing length / length of profemur 2.55. Coloration brown. Head. (Fig. 16 A) AR 0.71, ultimate flagellomere 384 µm. Temporal setae 6; including 2 inner verticals, 2 outer verticals and 2 postorbitals. Clypeus with 5 setae. Tentorium, stipes and cibarial pump as in Fig. 16 B; tentorium 121 µm long, 17 µm wide at sieve pore; stipes 97 µm long, 30 µm wide. Left palp with extended apex on third palpomere, palpomere lengths of left palp in µm: 29, 48, 69, 72, 83; right palp broken, but third palpomere apparently normal, 88 µm long. Third palpomere with 2 sensilla clavata apically to subapically, 11 µm long. Thorax (Fig. 16 C). Antepronotum with 3 setae. Dorsocentrals 6; acrostichals 11, of which 2 anterior hair­like and 9 posterior scalpellate, beginning at one fourth from antepronotum; prealars 2. Scutellum with 4 setae. Wing (Fig. 16 D). VR 1.33. Costal extension 91 µm long. Brachiolum with 1 seta, other veins and cells bare. Squama bare. Legs. Spur of front tibia 54 µm long, spurs of middle tibia 26 µm and 25 µm long, spurs of hind tibia 43 µm and 23 µm long. Width at apex of front tibia 33 µm, of middle tibia 33 µm, of hind tibia 37 µm. Hind tibial comb well developed, not measurable. Lengths (in µm) and proportions of legs as in Table 12. Hypopygium (Fig. 16 E–F). Anal point 50 µm long, 19 µm wide at base, with 17 strong lateral setae, void of microtrichia except at base. Laterosternite IX with 5 setae. Phallapodeme 79 µm long. Transverse sternapodeme arcuate with rounded oral projections, 35 µm long. Virga absent. Gonocoxite 156 µm long, with well developed, set­off inferior volsella. Gonostylus 72 µm long, megaseta 12 µm long. HR 2.17, HV 3.72.

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